Ex-Cardiff City and Barnsley player Chris Barker has passed at the age of 39.
The news has been confirmed by Barker's sports management agent World in Motion via their Twitter account.
"It is with great sadness that we learn of the untimely and tragic passing at the age of 39 of Chris Barker," read the tweet.
"Chris was a client throughout his outstanding playing career of over 500 league games. Moreover, Chris was a wonderful person, an absolute gentleman and a pleasure to work for."
He made over 150 appearances for Cardiff and also played over 100 times for Barnsley - where he began his league career - and Southend.
The left-back also represented QPR, Plymouth Argyle, and Aldershot Town during a playing career that spanned 17 years.